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  6. Onion vs. Crab meat

Onion vs. Crab meat — In-Depth Nutrition Comparison

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How are Onion and Crab meat different?

  • Crab meat has more Vitamin B12, Copper, Selenium, Zinc, Phosphorus, Magnesium, Folate, and Vitamin B3 than Onion.
  • Daily need coverage for Vitamin B12 from Crab meat is 479% higher.
  • Onion has less Sodium.

Onions, raw and Crustaceans, crab, alaska king, cooked, moist heat are the varieties used in this article.

Infographic

Onion vs Crab meat infographic
Infographic link

Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Onion
Onion
2
:
8
Crab meat
Crab meat
Contains less Sodium -99.6%
Contains more Manganese +222.5%
Contains more Calcium +156.5%
Contains more Iron +261.9%
Contains more Magnesium +530%
Contains more Phosphorus +865.5%
Contains more Potassium +79.5%
Contains more Zinc +4382.4%
Contains more Copper +2930.8%
Contains more Selenium +7900%
Onion
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 7% 8% 8% 13% 13% 1% 5% 14% 17% 3%
Crab meat
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 18% 29% 45% 120% 24% 140% 208% 394% 6% 219%
Contains less Sodium -99.6%
Contains more Manganese +222.5%
Contains more Calcium +156.5%
Contains more Iron +261.9%
Contains more Magnesium +530%
Contains more Phosphorus +865.5%
Contains more Potassium +79.5%
Contains more Zinc +4382.4%
Contains more Copper +2930.8%
Contains more Selenium +7900%

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Onion
Onion
3
:
9
Crab meat
Crab meat
Contains more Vitamin A +1350%
Contains more Vitamin B1 +15.2%
Contains more Vitamin B2 +103.7%
Contains more Vitamin B3 +1055.2%
Contains more Vitamin B5 +225.2%
Contains more Vitamin B6 +50%
Contains more Folate +168.4%
Contains more Vitamin B12 +∞%
Equal in Vitamin C - 7.6
Onion
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 1% 0% 25% 12% 7% 3% 8% 28% 15% 0% 1%
Crab meat
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 2% 0% 0% 26% 14% 13% 26% 24% 42% 39% 1438% 0%
Contains more Vitamin A +1350%
Contains more Vitamin B1 +15.2%
Contains more Vitamin B2 +103.7%
Contains more Vitamin B3 +1055.2%
Contains more Vitamin B5 +225.2%
Contains more Vitamin B6 +50%
Contains more Folate +168.4%
Contains more Vitamin B12 +∞%
Equal in Vitamin C - 7.6

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
Onion
2
:
3
Crab meat
Crab meat
Contains more Carbs +∞%
Contains more Water +14.9%
Contains more Protein +1659.1%
Contains more Fats +1440%
Contains more Other +345.7%
Onion
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Crab meat
19% 78%
Protein: 19.35 g
Fats: 1.54 g
Carbs: 0 g
Water: 77.55 g
Other: 1.56 g
Contains more Carbs +∞%
Contains more Water +14.9%
Contains more Protein +1659.1%
Contains more Fats +1440%
Contains more Other +345.7%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
Onion
1
:
2
Crab meat
Crab meat
Contains less Saturated Fat -68.4%
Contains more Monounsaturated Fat +1323.1%
Contains more Polyunsaturated fat +3052.9%
Onion
58% 18% 24%
Saturated Fat: 0.042 g
Monounsaturated Fat: 0.013 g
Polyunsaturated fat: 0.017 g
Crab meat
16% 22% 63%
Saturated Fat: 0.133 g
Monounsaturated Fat: 0.185 g
Polyunsaturated fat: 0.536 g
Contains less Saturated Fat -68.4%
Contains more Monounsaturated Fat +1323.1%
Contains more Polyunsaturated fat +3052.9%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Onion Crab meat
Lower in Sodium ok
Lower in Cholesterol ok
Lower in Saturated Fat ok
Lower in price ok
Lower in Sugar ok
Lower in Glycemic Index ok
Rich in minerals ok
Rich in vitamins ok

All nutrients comparison - raw data values

Nutrient Onion Crab meat Opinion
Net carbs 7.64g 0g Onion
Protein 1.1g 19.35g Crab meat
Fats 0.1g 1.54g Crab meat
Carbs 9.34g 0g Onion
Calories 40kcal 97kcal Crab meat
Fructose 1.29g Onion
Sugar 4.24g Crab meat
Fiber 1.7g 0g Onion
Calcium 23mg 59mg Crab meat
Iron 0.21mg 0.76mg Crab meat
Magnesium 10mg 63mg Crab meat
Phosphorus 29mg 280mg Crab meat
Potassium 146mg 262mg Crab meat
Sodium 4mg 1072mg Onion
Zinc 0.17mg 7.62mg Crab meat
Copper 0.039mg 1.182mg Crab meat
Manganese 0.129mg 0.04mg Onion
Selenium 0.5µg 40µg Crab meat
Vitamin A 2IU 29IU Crab meat
Vitamin A RAE 0µg 9µg Crab meat
Vitamin E 0.02mg Onion
Vitamin C 7.4mg 7.6mg Crab meat
Vitamin B1 0.046mg 0.053mg Crab meat
Vitamin B2 0.027mg 0.055mg Crab meat
Vitamin B3 0.116mg 1.34mg Crab meat
Vitamin B5 0.123mg 0.4mg Crab meat
Vitamin B6 0.12mg 0.18mg Crab meat
Folate 19µg 51µg Crab meat
Vitamin B12 0µg 11.5µg Crab meat
Vitamin K 0.4µg Onion
Tryptophan 0.014mg 0.269mg Crab meat
Threonine 0.021mg 0.783mg Crab meat
Isoleucine 0.014mg 0.938mg Crab meat
Leucine 0.025mg 1.536mg Crab meat
Lysine 0.039mg 1.684mg Crab meat
Methionine 0.002mg 0.545mg Crab meat
Phenylalanine 0.025mg 0.817mg Crab meat
Valine 0.021mg 0.91mg Crab meat
Histidine 0.014mg 0.393mg Crab meat
Cholesterol 0mg 53mg Onion
Saturated Fat 0.042g 0.133g Onion
Omega-3 - DHA 0g 0.118g Crab meat
Omega-3 - EPA 0g 0.295g Crab meat
Omega-3 - DPA 0g 0.031g Crab meat
Monounsaturated Fat 0.013g 0.185g Crab meat
Polyunsaturated fat 0.017g 0.536g Crab meat

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion Crab meat
Low Fats diet ok
Low Carbs diet ok
Low Calories diet ok
Low Glycemic Index diet ok

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
8%
Onion
135%
Crab meat
Minerals Daily Need Coverage Score
8%
Onion
120%
Crab meat

Comparison summary

Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 1068mg)
Which food is lower in Cholesterol?
Onion
Onion is lower in Cholesterol (difference - 53mg)
Which food is lower in Saturated Fat?
Onion
Onion is lower in Saturated Fat (difference - 0.091g)
Which food is cheaper?
Onion
Onion is cheaper (difference - $11.8)
Which food is lower in Sugar?
Crab meat
Crab meat is lower in Sugar (difference - 4.24g)
Which food is lower in glycemic index?
Crab meat
Crab meat is lower in glycemic index (difference - 15)
Which food is richer in minerals?
Crab meat
Crab meat is relatively richer in minerals
Which food is richer in vitamins?
Crab meat
Crab meat is relatively richer in vitamins

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Crab meat - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174202/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.